Chair



FIG. 1 is a front elevational view of a chair showing my new design;

FIG. 2 is a left side perspective view thereof from above;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a rear elevational view thereof.

The right side perspective view from above is the mirror image of FIG. 2. 

The ornamental design for a chair, as shown and described. 